CN100365656C - Image processing apparatus, image processing method and program product therefor - Google Patents
Image processing apparatus, image processing method and program product therefor Download PDFInfo
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Abstract
An image processing apparatus includes: a reference object discriminating unit that discriminates a reference object from a digital image that is taken by capturing an object together with the reference object; a size information extracting unit that extracts size information of the reference object in the digital image; a size information comparing unit that acquires target size information of the reference object, and compares the size information of the reference object that is extracted by the size information extracting unit with the target size information; a correction size amount setting unit that sets a correction size amount on the basis of the comparison result of the size information comparing unit; and an image processing unit that performs image processing on the digital image in accordance with the correction size amount that is set by the correction size amount setting unit.
Description
Technical field
The present invention relates to a kind of image processing apparatus that captured image etc. is handled, in particular to a kind of image processing apparatus and program product thereof that a plurality of images that obtain under the different condition are revised respectively.
Background technology
For example, the printing market that is used for the image of product leaflet, advertisement, magazine article in use, and make exhibition and conference materials, be used for the photo of field notes, such as the commodity snapshot of real estate and the commercial market of product and job placement, usually in presumptive area, arrange a plurality of images, for example by digital camera (digital stillcamera: the DSC) image (view data, digital picture) of taking or reading by scanner, and output (demonstrations) layout image through editing.Traditionally, for example, take a plurality of images to be set type and when these images are adjusted respectively, edit, simultaneously as the state of each image of customer inspection of Flame Image Process expert by photographer.On the other hand, in the last few years, developing rapidly and popularizing and, will having had much along with photographic equipment (representational for digital camera and mobile phone) by the situation that a plurality of images that domestic consumer takes under different shooting conditions with distributed way are put into database such as the progress of the network technology of the Internet.
In disclosed background technology as patent publications, a kind of technology is: obtain the destination image data that tone is in dbjective state, from destination image data, extract the gray scale target, subsequently, setting is applicable to and the corresponding histogrammic image transform parameter of gray scale (for example, the 5th of JP-A-2003-134341 the page, the 6th page and Fig. 1).The another kind of technology that is disclosed is: with the uncertain a plurality of images of form compound, that be convenient to check display image size on screen, according to the ratio between the vertical dimension (or lateral dimension) of viewing area and view data, increase or reduce to read in the aspect ratio (for example, seeing the 4th page, the 5th page and Fig. 1 of JP-A-2000-040142) of image.
At a plurality of images all is under the situation of taking under the identical shooting condition, and the layout image that can provide the user to be convenient to check is even if this layout image is to obtain by integrating captured a plurality of images.Yet, if a plurality of image is under the different environment, taken under different shooting conditions by the different digital camera of different humans, if come layout to show that result images is not easy to check so according to the original appearance of these images so.For example, even if under the situation of the commodity of having taken limited type (as commodity packaging and toy), if various shooting conditions (for example, the camera of camera site, time, object space, object angle, illumination, use) difference, because the tiny deviation at the size of commodity, position, inclination angle etc., the image that layout shows can become very poor.It is very poor that not only the difference between these geometrical characteristic parameters can cause the image of layout demonstration, and the image that the difference of the characteristic parameter relevant with picture quality between image (as luminance brightness (lightness), color, grey balance and gray scale performance) also can cause layout to show is very poor.
For example, the technology among the JP-A-2000-040142 makes and is shown size of images and equates to become possibility.Under the absolute unessential situation of picture size, as the situation of Treatment Design figure, it is significant making all images have identical size in disclosed mode among the JP-A-2000-040142.Yet, for example, relatively under the situation of a plurality of size of images of commodity packaging and petty commodities, only make it have identical size and may not be certain to produce desirable image with the layout that makes things convenient for image to image conversion at needs.Although the technology among the JP-A-2003-134341 can make image have the tone identical with target image, all images of taking down in the trickle condition of difference (for example shooting condition) also all has been given identical tone.As a result, resulting image is having very big difference with true picture aspect the key elements such as density, color or contrast, thereby reduces the quality of output image greatly.Particularly, when arranging (being layout) output, can't carry out correct mutual comparison to the contrast of image at a plurality of images of demonstration and in the mode of integrating.
Summary of the invention
The present invention is intended to solve the problems of the technologies described above, thereby when an object of the present invention is to export a plurality of image together, considers their shooting condition and automatically revises each image.
Another object of the present invention is with the mode layout of integrating and exports a plurality of images, makes and can carry out more accurate mutual comparison to these size of images and picture quality.
According to a first aspect of the invention, provide a kind of image processing apparatus, having comprised: the primary standard substance discrimination unit is used for distinguishing primary standard substance from the digital picture that produces by shot object and primary standard substance together; The dimension information extraction unit is used for extracting in digital picture the dimension information of the primary standard substance of being distinguished by described primary standard substance discrimination unit; The dimension information comparing unit is used to obtain the target size information of primary standard substance, and compares primary standard substance dimension information and this target size information of being extracted by the dimension information extraction unit; Revise the size quantity setup unit, be used for setting the correction size quantity according to the comparative result of described dimension information comparing unit; And graphics processing unit, be used for digital picture being carried out Flame Image Process according to the correction size quantity of setting by described correction size quantity setup unit.
According to a second aspect of the invention, provide a kind of image processing apparatus, having comprised: the primary standard substance discrimination unit is used for distinguishing primary standard substance from the digital picture that produces by shot object and primary standard substance together; The colouring information extraction unit is used for extracting in digital picture the colouring information of the primary standard substance that is extracted by the primary standard substance discrimination unit; The colouring information comparing unit is used to obtain the color of object information of primary standard substance, and compares primary standard substance colouring information and this color of object information of being extracted by the colouring information extraction unit; Revise color reproduction amount setup unit, be used for setting the color reproduction amount of revising according to the comparative result of colouring information comparing unit; And graphics processing unit, be used for digital picture being carried out Flame Image Process according to the correction color reproduction amount of setting by described correction color reproduction amount setup unit.
According to a third aspect of the invention we, provide a kind of image processing apparatus, having comprised: the image input block is used for receiving a plurality of digital pictures of reading from the image data base that stores digital picture; The primary standard substance discrimination unit is used for distinguishing the image information of the primary standard substance that comprises in each of a plurality of images of being received by the image input block; Comparing unit is used for dimension information that the image information that comprises the primary standard substance of being distinguished by the primary standard substance discrimination unit is comprised and in the colouring information at least one and compares with comprising as the target size information of standard and at least one in the color of object information; Setup unit, it sets at least one that revise in size quantity and the correction color reproduction amount according to comparing unit to the comparative result of each in a plurality of images; And processing unit, be used for according to the correction size quantity of setting by setup unit and revise the color reproduction amount at least one carry out in a plurality of digital pictures the correcting process of each.
According to a forth aspect of the invention, provide a kind of image processing method, having comprised: read respectively a plurality of digital pictures that obtain by shot object and primary standard substance together; Distinguish described primary standard substance in from these a plurality of digital pictures each; In digital picture, extract the dimension information of the primary standard substance of being distinguished; Obtain the target size information of described primary standard substance; According to primary standard substance dimension information that is extracted and the target size information that is obtained, be that size quantity is revised in each setting in described a plurality of digital pictures; And, the object in described a plurality of digital pictures each is amplified or dwindles processing according to described correction size quantity.
According to a fifth aspect of the invention, provide a kind of image processing method, having comprised: read respectively a plurality of digital pictures that obtain by shot object and primary standard substance together; Distinguish described primary standard substance in from described a plurality of digital pictures each; In described digital picture, extract the colouring information of the primary standard substance of being distinguished; Obtain the color of object information of primary standard substance; According to primary standard substance colouring information that is extracted and the color of object information that is obtained, be that color reproduction amount is revised in each setting in described a plurality of digital pictures; And according to the correction color reproduction amount that sets the object in described a plurality of digital pictures each is carried out color correct and handle.
According to a sixth aspect of the invention, provide a kind of image processing program product, it makes computing machine carry out following the processing: read respectively a plurality of digital pictures that obtain by shot object and primary standard substance together; Distinguish described primary standard substance in from described a plurality of digital pictures each; In digital picture, extract the dimension information of the primary standard substance of being distinguished; Obtain the target size information of described primary standard substance; According to primary standard substance dimension information that is extracted and the target size information that is obtained, be that size quantity is revised in each setting in a plurality of digital pictures; And the object in described a plurality of digital pictures each is amplified or dwindle processing according to described correction size quantity.
According to a seventh aspect of the invention, provide a kind of image processing program product, it makes computing machine carry out following the processing: read respectively a plurality of digital pictures that obtain by shot object and primary standard substance together; Distinguish described primary standard substance in from described a plurality of digital pictures each; In digital picture, extract the colouring information of the primary standard substance of being distinguished; Obtain the color of object information of primary standard substance; According to primary standard substance colouring information that is extracted and the color of object information that is obtained, be that color reproduction amount is revised in each setting in a plurality of digital pictures; And according to the correction color reproduction amount that sets the object in described a plurality of digital pictures each is carried out color correct and handle.
Description of drawings
By the detailed description of reference accompanying drawing, it is more obvious that above-mentioned purpose of the present invention and advantage will become.Accompanying drawing comprises:
Fig. 1 shows the complete structure according to the example images disposal system of an embodiment;
Fig. 2 shows the functional module that is used to realize integrating the layout processing according to this embodiment;
Fig. 3 is the processing of mainly being carried out by the standard of processing determination portion, promptly according to the process flow diagram of the processing of each primary standard substance computed correction;
Fig. 4 is the process flow diagram of being handled by the image correction of mainly being carried out by image processing part;
Fig. 5 shows the shooting direction of generation digital picture and the relation between object and the primary standard substance;
Fig. 6 shows the example that has carried out according to the integration layout processing of this embodiment;
Fig. 7 shows the example that does not carry out according to the integration layout processing of this embodiment.
Embodiment
Hereinafter describe embodiments of the invention with reference to the accompanying drawings in detail.
Fig. 1 shows the complete structure according to the example images disposal system of this embodiment.In this image processing system, various devices interconnect by network 9 (as the internet).Image processing system shown in Figure 1 has: image processing server 1 is used for that a plurality of images of taking with distributed way are integrated layout and handles; Image database server 2 is used to the image that obtains a plurality of images of taking with distributed way and select pending integration layout to handle; And the one or more image data bases (image DB) 3 that are connected and store a plurality of images of taking with distributed way with this image database server 2.This image processing system also has: image transfer apparatus 5 is used to read the image of taking as the digital camera 4 of filming apparatus, and by network 9 these images is sent to image data server 2; Display device 6 is used for being presented at image processing server 1 and has carried out integrating the image that layout is handled; And print image treating apparatus 8, be used for making and can export the required various Flame Image Process of image of having carried out integrating the layout processing at image processing server 1 as the printer 7 of image print output unit.Each can be the computing machine such as notebook (notebook PC) or Desktop PC in image transfer apparatus 5, display device 6 and the print image treating apparatus 8.In image processing server 1 and the image database server 2 each can be by a kind of formation in the various computing machines (for example PC).In the present embodiment, a plurality of images of taking under the different shooting conditions of diverse location with distributed way are incorporated into together.For this reason, provide a plurality of digital cameras 4, and a plurality of image transfer apparatus 5 that link to each other with separately digital camera 4 are connected on the network 9 in several position.Also may be another kind of structure, for example, each digital camera 4 utilizes the communication merit of himself by relay station (not shown) access network 9, and the image of taking is directly sent to image processing server 1.Another kind of structure can also be arranged: each has the digital camera 4 of WLAN function by access point (not shown) access network 9, and the image of taking is directly sent to image processing server 1.
Understand for convenient, integration layout processing and the conventional layout processing according to present embodiment now compares.
Fig. 7 shows the example of not carrying out according to the integration layout processing of present embodiment.Shown in the row among Fig. 7 (a), photography A, photography B and photography C have produced the image under the varying environment, and these images are sent to image database server 2 from for example image transfer apparatus 5, and are stored in the image data base 3 as one or more storeies.For example, in the data of photography A, master object is taken relatively largely, and to take be to carry out under fully high lightness (brightness), thereby the luminance brightness of the image that is produced (lightness) is higher relatively.In the data of photography B, master object is taken lessly, and the luminance brightness of image is not high.In addition, master object has departed from the center.In the data of photography C, master object is taken to such an extent that have suitable dimensions, but brightness (luminance) thus very lowly produced dark image.If the image of taking under these different shooting conditions just by layout, then for example can produce the result shown in Fig. 7 (b) row without any processing.Change on a large scale with the corresponding overall size of master object, and their positions in each image are unfixing yet.In addition, picture quality (just luminance brightness, color representation etc.) changes within a large range, thereby the quality of resulting data is very low.Although can make the shooting condition unanimity, be difficult in size and correct comparison is carried out to a plurality of images in the picture quality aspect according to user's experience.
Fig. 6 shows the example that has carried out according to the integration layout processing of present embodiment.Under varying environment, taking shown in the row (a) of Fig. 6, and thereby image with different images quality and different objects geometric properties when integrating layout and handling, can automatically obtain the integration data shown in the row (b) as Fig. 6 by the statistical method of using present embodiment.In this embodiment, the primary standard substance of master object and regulation is taken together, to produce each image shown in the row (a) among Fig. 6.
Form above-mentioned integration data according to following mode.To provide the primary standard substance of size and picture quality benchmark and master object to take with distributed way and be in the same place, determine the processing standard of size and picture quality, carry out correcting process subsequently according to photographing information.Promptly from each image shown in Fig. 6 row (a), extract the geometrical characteristic parameter and the picture quality characteristic parameter of master object, and extract the characteristic parameter of primary standard substance simultaneously.Calculate the processing standard that layout is handled of integrating by the primary standard substance characteristic parameter that is extracted (size, picture quality etc.).More specifically, according to the geometrical characteristic parameter and the picture quality characteristic parameter of the primary standard substance characteristic parameter correction master object of being extracted.When integrating the layout processing, image is integrated and makes it easy to check thereby revise.From each image, remove the primary standard substance of distinguishing, and fill remaining space, with consistent with background picture and color.Handle by carrying out this integration layout, for example, can obtain the graceful like that layout image of the commodity classification shown in the similar row as Fig. 6 (b), in this layout image, the composition diagram picture is unitized at aspects such as size, position, background, luminance brightness.
Preferably, the shape of primary standard substance does not depend on shooting angle.For example, Qiu Xing primary standard substance is preferred.Preferably, the color of primary standard substance is the white that can be used as white reference, achromatic grey or the similar color of being convenient to hold white balance.
Fig. 2 shows the functional module of handling according to the top integration layout of carrying out with reference to the described present embodiment of Fig. 6.The image processing server 1 of mainly integrating the layout processing has: image input block 11 is used for obtaining the view data (digital picture) that is stored in the image data base 3 from image database server 2; Sequence number is distributed/total counting number processing unit 12, is used to carry out such as being a plurality of images distribution picture numbers Gn that import by image input block 11 and the pre-service of carrying out total counting number; And image output unit 13, be used for individually or send image after carrying out Flame Image Process to network 9 with the layout state.Image processing server 1 also has: handle standard determination portion 20, be used for from by sequence number distribute/obtain geometrical characteristic parameter and picture quality characteristic parameter the primary standard substance that process object image that total counting unit 12 was handled comprises, and computing standard; And image processing part 30, be used for analyzing by 11 inputs of image input block, passed through characteristic parameter in sequence number distributions/total counting unit 12 such as pretreated each image that distributes picture numbers Gn and total counting number, and each image is carried out various Flame Image Process according to the output of processing standard determination portion 20.
Describe above-mentioned 20 and 30 below respectively.Processing standard determination portion 20 has: primary standard substance discrimination unit 21 is used for separating and distinguishes the primary standard substance that each image that pending integration layout handles comprises; Primary standard substance color extracting processing unit 22 is used to extract the colouring information (can abbreviate " color " as) of the primary standard substance of being distinguished by primary standard substance discrimination unit 21; Color of object information memory cell 23 has been stored the color of object information that sets according to the primary standard substance that is not taken as yet therein in advance; Primary standard substance color comparing unit 24 is used for the primary standard substance colouring information that primary standard substance color extracting processing unit 22 is distinguished and compares with the color of object information of reading from color of object information memory cell 23; And revise color reproduction amount setup unit 25, be used for setting the correction color reproduction amount that obtains from the comparative result of primary standard substance color comparing unit 24.Processing standard determination portion 20 also has: the primary standard substance size is extracted processing unit 26, is used to extract the dimension information (can abbreviate " size " as) of the primary standard substance of being distinguished by primary standard substance discrimination unit 21; Target size information memory cell 27 has been stored the target size information that sets according to the primary standard substance that is not taken as yet therein in advance; Primary standard substance size comparing unit 28 is used for that the primary standard substance size is extracted processing unit 26 primary standard substance dimension information that extracts and the target size information of reading from target size information memory cell 27 and compares; And revise size quantity setup unit 29, be used for setting the correction size quantity that obtains from the comparative result of primary standard substance size comparing unit 28.For color of object information memory cell 23 and target size information memory cell 27, in the storer (not shown) of regulation, stored the diameter of primary standard substance (as spherical object) or colouring information (L*a*b* information) etc., and when the process object image, read in proper order.The desired value information in color of object information memory cell 23 or the target size information memory cell 27 of being stored in is " reference value " of the colouring information of the primary standard substance self that uses when being taken by each digital camera 4, or as " reference value " of the dimension information of primary standard substance self.Can read reference value and according to size of printed image etc. being amplified with pre-determined factor or dwindling.
Image processing part 30 has: image amplifies/dwindles processing unit 31, is used for calling over image that pending integration layout handles and each amplifies/dwindle processing to these images; Image cutting processing unit 32 is used for extracting master object and primary standard substance from amplify/dwindle the image that processing unit 31 amplifies/dwindle processing through image; And color of image correcting process unit 33, be used to carry out various Flame Image Process, carry out color correct such as the master object that the cutting processing by image cutting processing unit 32 is obtained, and the removal primary standard substance/fill remaining area with background color.In color of image correcting process unit 33, carried out image correction image sequence be sent to image output unit 13.Image amplifies/dwindles correction size quantity that processing unit 31 sets according to the correction size quantity setup unit 29 of handling standard determination portion 20 and amplifies and dwindle.The correction color reproduction amount that color of image correcting process unit 33 is set according to the correction color reproduction amount setup unit 25 of the standard of processing determination portion 20 is carried out color correct and is handled.
Each function of image processing server 1 shown in Figure 2 is realized by the CPU that uses RAM etc. as the image processing server 1 of working storage.For example, color of object information memory cell 23 and target size information memory cell 27 are realized by the storage medium such as hard disk drive (HDD) that is arranged in image processing server 1.
Next the processing that each functional module (unit) shown in Figure 2 is carried out is described.
Fig. 3 is the processing of mainly being carried out by the standard of processing determination portion 20, promptly according to the process flow diagram of the processing of each primary standard substance computed correction.In image processing server 1, image input block 11 receives process object image (view data, digital picture) (step 101).The sequence number distribution/total counting number processing unit 12 distributes picture numbers Gn (step 102) to the image of being imported, and the total N (step 103) of computed image.Processing standard determination portion 20 is read Gn the image for the treatment of by image processing part 30 processing (step 104), and sets the processing standard.
In handling standard determination portion 20, at first, primary standard substance discrimination unit 21 is separated and is distinguished and is included in Gn the primary standard substance (step 105) in the image.Under primary standard substance is spherical situation, can be by preparing circular digital mask, and entire image is filtered scanning carry out pattern match with circle, thereby can distinguish primary standard substance.Perhaps can be by received image signal being carried out binaryzation, background and a plurality of object being separated, determined the distance between the edge of (360 degree) around the center and peripheral and computing center and center of each object distinguishes the circular horizon thing.From reducing the pattern numbers purpose angle that will mate, it is preferred adopting spherical primary standard substance.Certainly, prepare a plurality of patterns, also can adopt the primary standard substance of rectangle or some other shape by considering shooting angle etc.The primary standard substance of distinguishing thus is sent to primary standard substance color extracting processing unit 22 and primary standard substance size extraction processing unit 26.
Extract in processing unit 26 and the primary standard substance color extracting processing unit 22 in the primary standard substance size, distinguish the dimension information (size) and the colouring information (color) (step 106) of primary standard substance.From primary standard substance, extracting in the process of size, for example, measuring the size itself of handling the primary standard substance in the object images.For example, if primary standard substance is spherical, then extract the diameter of the ball in the photographic images.For example, in the process of from primary standard substance, extracting colouring information, considered the color conversion of the characteristic of digital camera 4, with R (red), G (green), B (indigo plant) conversion of signals in L*a*b* color space as even color space.When obtaining digital picture, provide the part of the characteristic of each digital camera 4 as picture format (as EXIF (exchangeable image file format)).Use this information, primary standard substance color extracting processing unit 22 can be discerned the characteristic of each digital camera 4.
Subsequently, in the standard of processing determination portion 20, from target size information memory cell 27 and color of object information memory cell 23, read the target size (standard value) and the color of object (Standard Colors) (step 107) of primary standard substance respectively.The standard value that primary standard substance size that 28 pairs of primary standard substance size comparing units obtain from image and target size information memory cell 27 provide compares, and the Standard Colors that the primary standard substance color obtained from image of 24 pairs of primary standard substance color comparing units and color of object information memory cell 23 provide compares (step 108).Subsequently, revise size quantity setup unit 29 and revise color reproduction amount setup unit 25 setting correction size quantity and correction color reproduction amount (step 109) respectively.Finished the correction computing subsequently.In the setting of revising the color reproduction amount, the primary standard substance color of primary standard substance color comparing unit 24 relatively in, the primary standard substance image L*a*b* value that produces by conversion and the L*a*b* value of target object are compared, thereby obtained gray scale correction reproduction amount by the L* value, obtained grey balance correction reproduction amount etc. by the a*b* value.Brightness/the colour difference signal that is converted to also can be the YCC signal, rather than the L*a*b* signal.Brightness/the colour difference signal and the color of object information that obtain by conversion are compared, and can make up the color reproduction variable setting apparatus, obtaining the gray scale correction by luminance signal (L*, Y etc.), and obtain the grey balance correction by colour difference signal (a*b*, CC etc.).In the YCC color space, Y represents brightness (luminance brightness), and CC represents color (or aberration).
For example, can make up each color of object information memory cell 23 and target size information memory cell 27 by this way, so that the target information of primary standard substance is stored in the storer that is used for various types of process object images.For example, the target information of Memory Reference thing A is used for candy wrapping, and the target information of Memory Reference thing B is used for toy (as the model car).The user also can be each primary standard substance and sets independent desired value.Further, thus can configuration-system when each digital picture is read in image processing server 1, the desired value of itself and primary standard substance is associated.For example do like this: image database server 2 provides each digital picture with additional attribute thereon.Under the situation that is difficult to automatic adeditive attribute, it is effective coming adeditive attribute (or type) by the user.For example, also can be input to desired value in the EXIF zone of the unique information that can store each digital picture.In this case, be to be undertaken as long as take by the digital camera 4 that can in this zone, insert unique information, image processing server 1 just can automatically be read this unique information, and obtains desired value at an easy rate.
The flow process that image correction is handled will be described below.
Fig. 4 is the process flow diagram of mainly being handled by the image correction of image processing part 30 execution.In image processing server 1, at first, image input block 11 receives process object object (view data, digital picture) (step 201).Sequence number distribution/total counting number processing unit 12 is that input picture distributes picture numbers Gn (step 202), and the total N (step 203) of computed image.Image processing part 30 is read Gn the image (step 204) that pending image correction is handled.Subsequently, image processing part 30 obtains the correction size quantity (step 205) of the relevant image of being set by the standard of processing determination portion 20 (i.e. Gn image).The image of image processing part 30 amplifies/dwindles processing unit 31 and uses the correction size quantity that is obtained to carry out the amplification of associated picture/dwindle processing (step 206).
The image cutting processing unit 32 of image processing part 30 discerns and distinguishes object and primary standard substance (step 207) from pass through the image that amplifies/dwindle processing.Image cutting processing unit 32 carries out the object layout to be handled, and for example the movement of objects of being extracted is arrived the center (step 208) of image.Subsequently, image processing part 30 obtains the correction color reproduction amount (step 209) of the associated picture of being set by the standard of processing determination portion 20 (i.e. Gn image).The image that the color of image correcting process unit 33 of image processing part 30 is handled layout according to the correction color reproduction amount that is obtained carries out color correct, and fill the processing of extracting part remaining behind the primary standard substance, make remainder and background picture (object part in addition in the image) consistent (step 210).At this moment, preferably, not only the image information of primary standard substance is replaced by background image information, and the information relevant with primary standard substance (shade that generates as the relation because of primary standard substance and incident light) is also replaced by background image information.
Subsequently, the corrected image of image output unit 13 outputs.Determine that at this whether picture numbers Gn is less than total number of images N (step 211).If Gn is less than total number of images N, then process turns back to step 204 and carries out above-mentioned step once more, if Gn is not less than total number of images N, determines that then all image N have passed through correcting process, and image correction is finished dealing with.In image output unit 13, carry out layout by image processing part 30 processed images in the above described manner and handle, thereby from the integration layout image of image output unit 13 outputs shown in Fig. 6 (b).This system can be configured to image output unit 13 and one by one export the composition diagram picture, and carries out last integration processing by the terminal (for example display device 6 or print image treating apparatus 8) of output (comprising demonstration) layout image.
In step 208, realize object moving in the following manner to picture centre.At first carry out binaryzation, subsequently this object is carried out mark.Subsequently, calculate the maximum circumscribed rectangle of the object of process mark.For example, when coordinate origin is positioned at the upper left corner, vertical and the horizontal sides of the maximum circumscribed rectangle of calculating as follows: have the min coordinates value top, have the min coordinates value high order end, have the lowermost end of maximum coordinates value, and low order end with maximum coordinates value.After having calculated the circumscribed reference position of object by this way, just can determine the center of gravity of object.The centre of gravity place of the object of every width of cloth image is moved to the center of image, thereby can obtain to be convenient to the integration layout image that the user checks.
Except that above-mentioned processing, image processing part 30 also can carry out background removal, background is unified or picture quality enhancement process (as luminance brightness correction, color correct, grey balance correction or gray scale correction).In addition, for example, image processing part 30 can also have such function: the smoothing processing that is used for squelch; Revise object images according to (for example) and in image distribution, be in the luminance brightness correction that bright side or dark side are come moving reference point; Be used for regulating bright/shade correction of the distribution character of the light of image distribution and dash area; And by obtain bright/dark contrast correction that distribution is revised bright/dark contrast by bright/dark distribution histogram.For example, image processing part 30 can also have these functions: tone/color balance correction is used for the misalignment of the brightest white portion as benchmark correction white portion; The saturation degree correction is used to make image than low saturation more bright-coloured and reduce processing near the saturation degree of the image of grey; And the storage color correct relevant with the specific memory color, such as making the colour of skin more approach storage color as the benchmark color.Further, image processing part 30 also can have the sharpness enhancement function, for example, determines marginal sharpness (edge intensity) by the edge level (edge level) of entire image, and makes image more clear.Not only can be modified to standard value (as the color of object and the target size of primary standard substance) to the characteristic parameter of each object in a manner mentioned above, and can integrate layout at this and add image is more convenient for processing that the user checks in handling.
In image processing part 30, image amplifies/dwindles processing unit 31 and amplified in proportion or downscaled images before image cutting processing unit 32 carries out the cutting processing.Yet, only can amplify/dwindle processing to the view data of extraction object.
Fig. 5 shows shooting direction and the relation of the position between object and the primary standard substance that is used to produce digital picture.Preferably, primary standard substance is in the position of regulation with respect to object to be taken.For example, as shown in Figure 5, in general merchandise is taken, arrange that primary standard substance makes it concordant with the part of the most close digital camera 4 of object on the shooting direction of digital camera 4.For further improving dimensional accuracy, preferably, the distance between object and a plurality of primary standard substance (for example 2) is identical.If digital picture is to obtain by object and the primary standard substance of taking according to layout shown in Figure 5, in the correction of integrating the layout processing, can accurately adjust the size of object so.
As top described in detail, according to present embodiment, a plurality of Digital Image Data of being taken in different condition (light source, position, time etc.) by different digital camera 4 when (for example) are placed into database and are formed into columns and show or when printing, can revise them with the absolute dimension that identifies, and can show or print revised image like this.When the form with tabulation showed or is printed on the image that global several place is taken and carries out comparing mutually, this technology was indispensable.For the image of under different shooting conditions, taking, the information that can obtain according to the primary standard substance by each image is changed them, make them have the picture quality of par, show then or print: thus when showing a plurality of image, can improve data picture quality.Under the situation of the primary standard substance that uses in the present embodiment as sphere, even if shooting angle or position of camera difference also can correctly be extracted dimension information.Under primary standard substance is spherical situation, can form the primary standard substance that the size with object adapts at an easy rate.In addition, owing in size and picture quality correcting process, from image, removed primary standard substance, therefore can further improve data picture quality.
Primary standard substance can have Any shape.Yet, as mentioned above, especially preferably use sphere as basic configuration.By adopting suitable material and job operation to make spherical primary standard substance, can cover from very big to very little object.Promptly, though this embodiment is useful to taking packaged commodity and handling the view data that is used for sale of automobile, yet by changing primary standard substance, present embodiment can freely be applied to scope from the very important buildings of the contrast of size and picture quality or its module to can only be by the shooting of the various objects of fractographic little or small items.
If image processing server 1 is configured to be undertaken from the processing of color of object information memory cell 23 and target size information memory cell 27 input color of objects and target size by user interface, then can revise object, make it have size and picture quality arbitrarily according to purposes.In addition, can or judge automatically and set the target setting size by manual setting, thereby generate the list image that is suitable for special-purpose and purpose.Can wait the target setting size by adopting minimum dimension, full-size and average-size.In addition, can be configured to image processing server 1 similarly to remove the thing (as the shade of primary standard substance) that produces by illumination, thereby can on final image, not occur.
Expectation can be used present embodiment with various forms, for example the form of the form of application program, printed driver and with the form of digital camera cooperation.The exemplary application program form is for using present embodiment as the function of using the image taken by digital stillcamera (DSC) to make photograph album, perhaps the function of the image that obtains as the automatic adjustment user of the plug-in unit (plug-in) of management software etc.Exemplary printed driver form is for using present embodiment as the function that can select as optional function in driver settings, build the function in the mode initialization itself in perhaps in.Exemplary sending in the printing stage for the conduct of use present embodiment with the form digital camera cooperation adjusted the function (label information is ensconced in the file layout) of instructing.
The computer program of having used present embodiment is put on computing machine, not only can adopt the form that is installed in the computing machine, thereby and can adopt the form that can read by computing machine that is stored in the storage medium.Storage medium is for example various DVD, CD-ROM medium and cassette storage medium.Wait this program that reads by the DVD in above-mentioned each computing machine or CD-ROM fetch equipment, card fetch equipment.With in any in the various storeies (such as HDD and flash rom) of this procedure stores in above-mentioned each computing machine, and carry out by CPU.Alternatively, can provide this program from the program transmission equipment by network.
For example, the computing machine that the present invention can be applied to link to each other with imaging device (as printer), provide server, the digital camera of information and the program of in described various computing machines, carrying out by the Internet etc.
According to a first aspect of the invention, image processing apparatus comprises: the primary standard substance discrimination unit is used for distinguishing primary standard substance from the digital picture that produces by shot object and primary standard substance together; The dimension information extraction unit is used for extracting in digital picture the dimension information of the primary standard substance of being distinguished by the primary standard substance discrimination unit; The dimension information comparing unit is used to obtain the target size information of primary standard substance, and primary standard substance dimension information and this target size information that the dimension information extraction unit is extracted compare; Revise the size quantity setup unit, be used for setting the correction size quantity according to the comparative result of dimension information comparing unit; And graphics processing unit, be used for digital picture is carried out Flame Image Process, just, according to amplifying or dwindle object in the digital picture by revising correction size quantity that the size quantity setup unit sets.
Image processing apparatus can further comprise the replacement unit, is used for replacing with the background image information of digital picture the image information of the primary standard substance that comprises in the digital picture.Owing to useless object in comprising the result images of described object, do not occur, thereby this configuration is preferred.This replacement unit can be configured to replace the image information that is associated with primary standard substance that generates when the image taking with background image information.Owing to can produce image well, thereby this configuration is preferred.The primary standard substance that is included in the digital picture can be spherical.
According to a second aspect of the invention, image processing apparatus comprises: the primary standard substance discrimination unit is used for distinguishing primary standard substance from the digital picture that produces by shot object and primary standard substance together; The colouring information extraction unit is used for extracting in digital picture the colouring information of the primary standard substance that is extracted by the primary standard substance discrimination unit; The colouring information comparing unit is used to obtain the color of object information of primary standard substance, and is used for primary standard substance colouring information and this color of object information that the colouring information extraction unit extracts are compared; Revise color reproduction amount setup unit, be used for setting the color reproduction amount of revising according to the comparative result of colouring information comparing unit; And graphics processing unit, be used for according to digital picture being carried out Flame Image Process by the correction color reproduction amount of revising the setting of color reproduction amount setup unit.
Be included in the grey that primary standard substance in the digital picture is preferably white or netrual colour.Can be configured to the colouring information extraction unit by having considered the color conversion of digital camera characteristic, the primary standard substance colouring information that extracted is converted to brightness/colour difference signal the even color space from rgb signal, as L*a*b* signal or YCC signal; Can be configured to the colouring information comparing unit brightness/colour difference signal and the color of object information that obtain by conversion are compared; Can be configured to obtain gray scale correction and grey balance correction respectively revising color reproduction amount setup unit by the luminance signal (L*, Y etc.) and the colour difference signal (a*b*, CC etc.) of brightness/colour difference signal.
According to a third aspect of the invention we, image processing apparatus comprises: the image input block is used for receiving a plurality of digital pictures of reading from the image data base of having stored digital picture; The primary standard substance discrimination unit is used for the image information of the primary standard substance that comprises in each of a plurality of images that the differentiate between images input block receives; Comparing unit is used for comparing to the dimension information of the part of the image information of the primary standard substance distinguished as the primary standard substance discrimination unit and/or colouring information and as the target size information and/or the color of object information of standard; Setup unit is used for according to comparing unit each comparative result of a plurality of images set being revised size quantity and/or being revised the color reproduction amount; Processing unit is used for according to the correction size quantity of being set by setup unit and/or revises the color reproduction amount each carries out correcting process to a plurality of digital pictures; And output unit, be used to integrate correcting process has been carried out in also layout output by processing unit a plurality of digital pictures.
According to a forth aspect of the invention, a kind of image processing method comprises: read a plurality of digital pictures from store (for example) database by the digital picture of the terminal acquisition of network connection, wherein each digital picture all obtains by shot object and primary standard substance together, and distinguishes primary standard substance in from a plurality of digital pictures each; In digital picture, extract the dimension information of the primary standard substance of being distinguished; From (for example) storer, obtain the target size information of primary standard substance; According to primary standard substance dimension information that is extracted and the target size information that is obtained, be that size quantity is revised in each setting in a plurality of digital pictures; The correction size quantity that utilization sets is amplified the object in a plurality of digital pictures each or is dwindled processing; Replace the image information of the primary standard substance of distinguishing with background information; And integrate also layout output object has been carried out a plurality of digital pictures of amplifying or dwindling processing.
According to a fifth aspect of the invention, a kind of image processing method comprises: read a plurality of digital pictures from database, wherein each digital picture all obtains by shot object and primary standard substance together, and distinguishes primary standard substance in from a plurality of digital pictures each; In digital picture, extract the colouring information of the primary standard substance of being distinguished; Obtain the color of object information of primary standard substance; According to primary standard substance colouring information that is extracted and the color of object information that is obtained, be that color reproduction amount is revised in each setting in a plurality of digital pictures; The correction color reproduction amount of use setting is carried out color correct to the object in a plurality of digital pictures each and is handled; And integrate also layout output object has been carried out a plurality of digital pictures that color correct is handled.
The present invention also can be expressed as and makes computing machine carry out the program product of handling.Make computing machine carry out the processing that may further comprise the steps according to the program product of sixth aspect present invention: to distinguish primary standard substance in each from a plurality of digital pictures that obtain by shot object and primary standard substance together respectively; In digital picture, extract the dimension information of the primary standard substance of being distinguished; Obtain the target size information of primary standard substance; According to primary standard substance dimension information that is extracted and the target size information that is obtained, be that size quantity is revised in each setting in a plurality of digital pictures; The correction size quantity that use sets is amplified the object in a plurality of digital pictures each or is dwindled processing.
According to a seventh aspect of the invention, a kind of program product makes computing machine carry out the processing that may further comprise the steps: distinguish primary standard substance in each from a plurality of digital pictures that obtain by shot object and primary standard substance together respectively; In digital picture, extract the colouring information of the primary standard substance of being distinguished; Obtain the color of object information of primary standard substance; According to primary standard substance colouring information that is extracted and the color of object information that is obtained, be that color reproduction amount is revised in each setting in a plurality of digital pictures; The correction color reproduction amount that use sets is carried out color correct to the object in a plurality of digital pictures each and is handled; And the image information of replacing the primary standard substance of being distinguished with background color information.
According to the present invention, can and export a plurality of images with the mode layout integrated, they can correctly compared aspect size and the picture quality mutually.
Though describe the present invention with reference to specific embodiment, apparent, those skilled in the art can carry out variations and modifications on the basis of this place teaching of this instructions.These conspicuous variations and modification are considered as falling into the defined spirit of the present invention of accessory claim, scope and essence.
Claims (15)
1. image processing apparatus comprises:
The primary standard substance discrimination unit, it is from by distinguishing described primary standard substance the digital picture that shot object and primary standard substance produce together;
The dimension information extraction unit, it extracts the dimension information of the described primary standard substance of being distinguished by described primary standard substance discrimination unit in described digital picture;
The dimension information comparing unit, it obtains the target size information of described primary standard substance, and described primary standard substance dimension information and described target size information that described dimension information extraction unit is extracted compare;
Revise the size quantity setup unit, its comparative result according to described dimension information comparing unit is set and is revised size quantity; And
Graphics processing unit, it carries out Flame Image Process according to the described correction size quantity of being set by described correction size quantity setup unit to described digital picture.
2. image processing apparatus according to claim 1, wherein, described graphics processing unit amplifies according to described correction size quantity information or dwindles described object in the described digital picture.
3. image processing apparatus according to claim 1 further comprises the replacement unit, and it replaces the image information of the described primary standard substance that comprises in the described digital picture with the background image information in the described digital picture.
4. image processing apparatus according to claim 3, wherein, the image information that is associated with described primary standard substance that generates is replaced in described replacement unit when taking described digital picture with described background image information.
5. image processing apparatus according to claim 1, the described primary standard substance that wherein will be included in the described digital picture is spherical.
6. image processing apparatus comprises:
The primary standard substance discrimination unit, it is from by distinguishing described primary standard substance the digital picture that shot object and primary standard substance produce together;
The colouring information extraction unit, it extracts the colouring information of the described primary standard substance of being distinguished by described primary standard substance discrimination unit in described digital picture;
The colouring information comparing unit, it obtains the color of object information of described primary standard substance, and described primary standard substance colouring information and described color of object information that described colouring information extraction unit is extracted compare;
Revise color reproduction amount setup unit, its comparative result according to described colouring information comparing unit is set the color reproduction amount of revising; And
Graphics processing unit, it carries out Flame Image Process according to the described correction color reproduction amount of being set by described correction color reproduction amount setup unit to described digital picture.
7. image processing apparatus according to claim 6, wherein, the described primary standard substance that is included in the described digital picture is the grey of white or netrual colour.
8. image processing apparatus according to claim 6, wherein, the color conversion of described colouring information extraction unit by having considered the digital camera characteristic is converted to brightness/colour difference signal with the image information of the primary standard substance that extracted from rgb signal,
Wherein, described colouring information comparing unit compares brightness/colour difference signal and the described color of object information that obtains by this conversion; And
Wherein, described correction color reproduction amount setup unit obtains gray scale correction and grey balance correction respectively by the luminance signal and the colour difference signal of described brightness/colour difference signal.
9. image processing apparatus comprises:
The image input block, it receives a plurality of digital pictures of reading from the image data base that stores digital picture;
The primary standard substance discrimination unit, it distinguishes the image information of the primary standard substance that comprises in described a plurality of images that described image input block receives each;
Comparing unit, in dimension information that is comprised in its image information and the colouring information to the described primary standard substance that comprises described primary standard substance discrimination unit and distinguish at least a with comprise as the target size information of standard and at least a the comparing in the color of object information;
Setup unit, it set to be revised size quantity according to described comparing unit to the comparative result of each in described a plurality of images and revises at least a in the color reproduction amount;
Processing unit, correction size quantity that it is set according to described setup unit and at least a each of revising in the color reproduction amount in described a plurality of digital pictures are carried out correcting process.
10. image processing apparatus according to claim 9 also comprises output unit, and it exports described a plurality of digital picture with the form of integrating also layout according to certain pattern.
11. an image processing method comprises:
Read respectively a plurality of digital pictures that obtain by shot object and primary standard substance together;
Distinguish described primary standard substance in from described a plurality of digital pictures each;
In described digital picture, extract the dimension information of the primary standard substance of being distinguished;
Obtain the target size information of described primary standard substance;
According to primary standard substance dimension information that is extracted and the target size information that is obtained, be that size quantity is revised in each setting in described a plurality of digital pictures; And
According to described correction size quantity, the described object in described a plurality of digital pictures each is amplified or dwindles processing.
12. image processing method according to claim 11 also comprises the step of replacing the image information of the primary standard substance of being distinguished with background information.
13. image processing method according to claim 11 also comprises the step of exporting described a plurality of digital pictures with the form of integrating also layout according to certain pattern.
14. an image processing method comprises:
Read respectively a plurality of digital pictures that obtain by shot object and primary standard substance together;
Distinguish described primary standard substance in from described a plurality of digital pictures each;
In described digital picture, extract the colouring information of the primary standard substance of being distinguished;
Obtain the color of object information of described primary standard substance;
According to primary standard substance colouring information that is extracted and the color of object information that is obtained, be that color reproduction amount is revised in each setting in described a plurality of digital pictures; And
According to the correction color reproduction amount that sets the described object in described a plurality of digital pictures each being carried out color correct handles.
15. image processing method according to claim 14 also comprises the step of exporting described a plurality of digital pictures with described a plurality of digital pictures with the form of certain pattern integration and layout.
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| KR20210053052A (en) * | 2019-11-01 | 2021-05-11 | 엘지전자 주식회사 | Color restoration method and apparatus |
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| CN1206159A (en) * | 1997-07-23 | 1999-01-27 | 三洋电机株式会社 | Three-dimensional moulding device and method |
| CN1452769A (en) * | 2000-07-12 | 2003-10-29 | 大日精化工业株式会社 | Image processing device for transmitting color with fidelity and image data providing method |
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| EP0774730B1 (en) * | 1995-11-01 | 2005-08-24 | Canon Kabushiki Kaisha | Object extraction method, and image sensing apparatus using the method |
| JP4077919B2 (en) * | 1998-01-30 | 2008-04-23 | キヤノン株式会社 | Image processing method and apparatus and storage medium therefor |
| JP2000040142A (en) | 1998-07-23 | 2000-02-08 | Matsushita Electric Ind Co Ltd | Image display device |
| JP2001167271A (en) * | 1999-12-08 | 2001-06-22 | Fuji Photo Film Co Ltd | Method and device for recognizing document region, method and device for processing image, platen cover, sheet for platen cover, document reader and recording medium |
| JP3823803B2 (en) | 2001-10-19 | 2006-09-20 | ノーリツ鋼機株式会社 | Image conversion parameter setting method, image conversion parameter setting device, image conversion parameter setting program, and recording medium on which image conversion parameter setting program is recorded |
| KR100787665B1 (en) | 2002-10-21 | 2007-12-21 | 다이니치 세이카 고교 가부시키가이샤 | Image processing device for transmitting color with fidelity and image data providing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1206159A (en) * | 1997-07-23 | 1999-01-27 | 三洋电机株式会社 | Three-dimensional moulding device and method |
| CN1452769A (en) * | 2000-07-12 | 2003-10-29 | 大日精化工业株式会社 | Image processing device for transmitting color with fidelity and image data providing method |
Also Published As
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| JP2005269560A (en) | 2005-09-29 |
| US20050207644A1 (en) | 2005-09-22 |
| JP4285290B2 (en) | 2009-06-24 |
| US7352898B2 (en) | 2008-04-01 |
| KR20050094330A (en) | 2005-09-27 |
| CN1674048A (en) | 2005-09-28 |
| KR100658998B1 (en) | 2006-12-21 |
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